2654644 has 6 divisors (see below), whose sum is σ = 4645634. Its totient is φ = 1327320.

The previous prime is 2654621. The next prime is 2654647. The reversal of 2654644 is 4464562.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 374544 = 1510^2 + 612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331827 + ... + 331834.

2^2654644 is an apocalyptic number.

It is an amenable number.

2654644 is a deficient number, since it is larger than the sum of its proper divisors (1990990).

2654644 is a wasteful number, since it uses less digits than its factorization.

2654644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663665 (or 663663 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 2654644 is about 1629.3078284965. The cubic root of 2654644 is about 138.4635396039.

The spelling of 2654644 in words is "two million, six hundred fifty-four thousand, six hundred forty-four".